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PHOTOCHEMISTRY OF Fe(III) COMPLEXES WITH SALICYLIC ACID DERIVATIVES IN AQUEOUS SOLUTIONS

29-Mar-2015 | Author(s): Ivan P. Pozdnyakov , Victor F. Plyusnin , Vjacheslav P. Grivin , Esther Oliveros, Journal of Photochemistry and Photobiology A: Chemistry, 2015

Publication date: Available online 23 March 2015 Source:Journal of Photochemistry and Photobiology A: Chemistry Author(s): Ivan P. Pozdnyakov , Victor F. Plyusnin , Vjacheslav P. Grivin , Esther Oliveros The photochemistry of a series of 1:1 Fe(III) complexes with salicylic acid ...

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Co-precipitation in aqueous solution synthesis of magnetite nanoparticles using iron(III) salts as precursors

29-Mar-2015 | Author(s): Mutasim I. Khalil, Arabian Journal of Chemistry, 2015

Publication date: March 2015 Source:Arabian Journal of Chemistry, Volume 8, Issue 2 Author(s): Mutasim I. Khalil An innovative quantitative synthetic method for preparing magnetite nanoparticles was achieved by co-precipitation in aqueous solution using only one single iron(III) salt as a ...

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Geochemistry of Redox-Sensitive Trace Elements in a Shallow Subterranean Estuary

29-Mar-2015 | Author(s): Alison E. O'Connor , Jenna L. Luek , Hadley McIntosh , Aaron J. Beck, Marine Chemistry, 2015

Publication date: Available online 19 March 2015 Source:Marine Chemistry Author(s): Alison E. O'Connor , Jenna L. Luek , Hadley McIntosh , Aaron J. Beck Submarine groundwater discharge (SGD) is an important component of chemical fluxes in coastal ocean. The composition of SGD is ...

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Different binding modes of Cu and Pb vs. Cd, Ni, and Zn with the trihydroxamate siderophore desferrioxamine B at seawater ionic strength

29-Mar-2015 | Author(s): Johan Schijf , Emily A. Christenson , Kailee J. Potter, Marine Chemistry, 2015

Publication date: Available online 3 March 2015 Source:Marine Chemistry Author(s): Johan Schijf , Emily A. Christenson , Kailee J. Potter The solution speciation in seawater of divalent trace metals (Cd, Cu, Ni, Pb, Zn) is dominated by strong, ostensibly metal-specific organic ligands ...

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Polyhedral oligomeric silsesquioxane/silica/polydimethylsiloxane rubber composites with enhanced mechanical and thermal properties

28-Mar-2015 | Dian Zhang, Guangsu Huang, Yunhui Shi, Guangya Zhang, Yufeng Liu, Journal of Applied Polymer Science, 2015

ABSTRACT Composites of polydimethylsiloxane (PDMS) rubber modified by three kinds of polyhedral oligomeric silsesquioxanes (POSSs) as well as fumed silica were prepared through solution blending and then open two‐roll mill blending with curing agent. Subsequently, the influences of POSS on ...

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Visible‐Light Sensitization and Photoenergy Storage in Quantum Dot/Polyoxometalate Systems

27-Mar-2015 | Tetsuya Kida, Hiromasa Furuso, Kota Kumamoto, Azzah Dyah Pramata, Masayoshi Yuasa, Kengo Shimanoe, Chemistry - A European Journal, 2015

Abstract Recently, the process by which energy is transferred from photoexcited semiconductor nanocrystals, called quantum dots (QDs), to other semiconductors has attracted much attention and has potential application in solar energy conversion (i.e., QD‐sensitized solar cells). Sensitization ...

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Real-Time in Situ Probing of High-Temperature Quantum Dots Solution Synthesis

27-Mar-2015 | Benjamin Abécassis; Cécile Bouet; Cyril Garnero; Doru Constantin; Nicolas Lequeux; Sandrine Ithurria; Benoit Dubertr ..., Nano Letters, 2015

Understanding the formation mechanism of colloidal nanocrystals is of paramount importance in order to design new nanostructures and synthesize them in a predictive fashion. However, reliable data on the pathways leading from molecular precursors to nanocrystals are not available yet. We used ...

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Synthesis of Surface Covalent Organic Frameworks via Dimerization and Cyclotrimerization of Acetyls

26-Mar-2015 | Biao Yang; Jonas Björk; Haiping Lin; Xiaoqing Zhang; Haiming Zhang; Youyong Li; Jian Fan; Qing Li; Lifeng Chi, Journal of the American Chemical Society, 2015

The formation of additional phenyl rings on surfaces is of particular interest because it allows for the building-up of surface covalent organic frameworks. In this work, we show for the first time that the cyclotrimerization of acetyls to aromatics provides a promising approach to 2D conjugated ...

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Secondary Crystal Nucleation: Nuclei Breeding Factory Uncovered

25-Mar-2015 | Jamshed Anwar, Shahzeb Khan, Lennart Lindfors, Angewandte Chemie International Edition, 2015

Abstract Secondary nucleation, wherein crystal seeds are used to induce crystallization, is widely employed in industrial crystallizations. Despite its significance, our understanding of the process, particularly at the molecular level, remains rudimentary. An outstanding question is why do a ...

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Supramolecular interaction of 18‐crown‐6 ether with mesalazine and spectrofluorimetric determination of mesalazine in pharmaceutical formulations

25-Mar-2015 | Abdalla A. Elbashir, Fatima Altayib Alasha Abdalla, Hassan Y. Aboul‐Enein, Luminescence, 2015

Abstract The supramolecular interaction of protonated mesalazine (MSZ) and 18‐crown‐6 ether (18C6) has been examined by Ultraviolet–visible, FT‐IR and fluorescence spectroscopy. The formation of the inclusion complex has been confirmed based on the changes of the spectral properties. The ...

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